/**
 * Shri Jayam Associates - Core Design System & Global Styles
 * Theme: Clean, Professional, Trustworthy, Industrial Environmental Compliance
 */

/* ==========================================================================
   CSS VARIABLES & DESIGN TOKENS
   ========================================================================== */
:root {
    /* Brand Colors */
    --primary-blue: #0B3C5D;
    --primary-blue-dark: #07263d;
    --primary-blue-light: #165682;
    --environment-green: #198754;
    --environment-green-dark: #12633d;
    --environment-green-light: #20ac6b;
    --safety-orange: #F97316;
    --safety-orange-dark: #d95f0c;
    --safety-orange-light: #fb923c;

    /* Neutrals */
    --color-white: #FFFFFF;
    --bg-light: #F8FAFC;
    --bg-card: #FFFFFF;
    --text-dark: #1E293B;
    --text-muted: #64748B;
    --border-color: #E2E8F0;

    /* Typography Systems */
    --font-heading: 'Inter', 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-body: 'Inter', 'Source Sans 3', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

    /* Spacing Scales */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;
    --spacing-section: 5rem;

    /* Layout Constraints */
    --max-width: 1280px;

    /* Borders & Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

/* ==========================================================================
   RESET & DOCUMENT DEFAULTS
   ========================================================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-light);
    overflow-x: hidden;
}

p, .about-p, .hp-hero-p, .cta-desc, .why-card-desc, .trust-card-desc, .wcu-card-desc, .loc-card-desc, .founder-bio p, .contact-details-text {
    text-align: justify;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.25;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-sm);
}

/* Ensure subpage hero titles are always visible (white text on dark backgrounds) */
.subpage-hero h1,
.subpage-hero-title {
    color: var(--color-white) !important;
}

/* Global Subpage Badge styling */
.hp-badge {
    display: inline-block;
    padding: 6px 14px;
    border-radius: 9999px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

a {
    color: var(--primary-blue-light);
    text-decoration: none;
    transition: var(--transition-fast);
}

a:hover {
    color: var(--primary-blue);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

ul, ol {
    list-style: none;
}

.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--safety-orange);
    color: var(--color-white);
    padding: var(--spacing-sm) var(--spacing-md);
    z-index: 10000;
    transition: top var(--transition-fast);
    font-weight: 600;
}

.skip-link:focus {
    top: 0;
}

/* ==========================================================================
   LAYOUT STRUCTURE & CONTAINER SYSTEM
   ========================================================================== */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--spacing-lg);
    padding-right: var(--spacing-lg);
}

.grid {
    display: grid;
    gap: var(--spacing-xl);
}

/* ==========================================================================
   TOP INFO BAR STYLING
   ========================================================================== */
.top-bar {
    background-color: var(--primary-blue);
    color: var(--color-white);
    padding: var(--spacing-sm) 0;
    font-size: 0.85rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.top-bar-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-bar-left {
    display: flex;
    gap: var(--spacing-lg);
}

.top-bar-left span {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.top-bar-left .icon {
    width: 14px;
    height: 14px;
    opacity: 0.85;
}

.top-bar-right {
    display: flex;
    align-items: center;
}

.compliance-badge {
    background-color: var(--environment-green-dark);
    color: #A7F3D0;
    padding: 2px 10px;
    border-radius: 9999px;
    font-weight: 600;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* ==========================================================================
   MAIN NAVIGATION & HEADER
   ========================================================================== */
.main-header {
    background-color: var(--color-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: background-color var(--transition-normal), box-shadow var(--transition-normal);
}

.main-header.scrolled {
    box-shadow: var(--shadow-md);
    border-bottom: 1px solid var(--border-color);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

/* Brand Logo */
.logo-area {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo-icon {
    width: 44px;
    height: 44px;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.brand-title {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--primary-blue);
    line-height: 1.1;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.brand-subtitle {
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--environment-green);
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* Desktop navigation links */
.desktop-nav {
    display: none; /* Mobile first */
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.nav-item {
    position: relative;
}

.nav-link {
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 1rem;
    color: var(--text-dark);
    padding: var(--spacing-sm) 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.nav-link:hover, 
.nav-link.active {
    color: var(--primary-blue);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: var(--environment-green);
    border-radius: var(--radius-sm);
}

/* Dropdown Menu styling */
.dropdown-chevron {
    width: 12px;
    height: 12px;
    transition: transform var(--transition-fast);
}

.has-dropdown:hover .dropdown-chevron {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--color-white);
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    width: 280px;
    padding: var(--spacing-sm) 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast);
    z-index: 1100;
}

.has-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: block;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-dark);
    transition: var(--transition-fast);
}

.dropdown-item:hover {
    background-color: var(--bg-light);
    color: var(--environment-green);
    padding-left: calc(var(--spacing-lg) + 4px);
}

.header-cta {
    display: none;
}

/* Hamburger mobile toggler */
.mobile-toggle {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 20px;
    z-index: 1500;
}

.bar {
    width: 100%;
    height: 3px;
    background-color: var(--primary-blue);
    border-radius: 99px;
    transition: transform var(--transition-normal), opacity var(--transition-normal);
}

.mobile-toggle.open .bar-top {
    transform: translateY(8px) rotate(45deg);
}

.mobile-toggle.open .bar-middle {
    opacity: 0;
}

.mobile-toggle.open .bar-bottom {
    transform: translateY(-9px) rotate(-45deg);
}

/* ==========================================================================
   MOBILE NAVIGATION DRAWER
   ========================================================================== */
.mobile-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background-color: rgba(30, 41, 59, 0.95); /* Deep translucent backdrop */
    z-index: 1100;
    transition: right var(--transition-normal);
}

.mobile-nav.open {
    right: 0;
}

.mobile-nav-container {
    width: 85%;
    max-width: 340px;
    height: 100%;
    background-color: var(--color-white);
    margin-left: auto;
    padding: var(--spacing-lg);
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
}

.mobile-nav-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    margin-bottom: var(--spacing-lg);
}

.mobile-close-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--bg-light);
    color: var(--text-dark);
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.mobile-close-btn:hover {
    background-color: var(--border-color);
    color: var(--primary-blue);
}

.mobile-close-btn .close-icon {
    width: 24px;
    height: 24px;
}

.mobile-menu {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.mobile-link {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.15rem;
    color: var(--primary-blue);
    display: block;
    padding: var(--spacing-sm) 0;
}

.mobile-link.active {
    color: var(--environment-green);
    border-left: 3px solid var(--environment-green);
    padding-left: var(--spacing-sm);
}

.mobile-dropdown-trigger {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.15rem;
    color: var(--primary-blue);
    padding: var(--spacing-sm) 0;
    text-align: left;
}

.mobile-dropdown-trigger .dropdown-chevron {
    width: 16px;
    height: 16px;
}

.mobile-dropdown-trigger[aria-expanded="true"] .dropdown-chevron {
    transform: rotate(180deg);
}

.mobile-submenu {
    display: none;
    flex-direction: column;
    gap: var(--spacing-sm);
    padding-left: var(--spacing-md);
    border-left: 1px solid var(--border-color);
    margin-top: var(--spacing-xs);
}

.mobile-submenu.open {
    display: flex;
}

.mobile-sublink {
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--text-muted);
    padding: var(--spacing-xs) 0;
    display: block;
}

.mobile-sublink:hover {
    color: var(--environment-green);
}

.mobile-cta-item {
    margin-top: var(--spacing-lg);
}

/* ==========================================================================
   CORPORATE FOOTER STYLING
   ========================================================================== */
.site-footer {
    background-color: #0F172A;
    color: var(--border-color);
    padding-top: var(--spacing-xxl);
    border-top: 5px solid var(--environment-green);
    font-family: var(--font-body);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xxl);
    margin-bottom: var(--spacing-xxl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.footer-logo-svg {
    width: 38px;
    height: 38px;
}

.text-white {
    color: var(--color-white);
}

.text-gray-400 {
    color: #94A3B8;
}

.company-desc {
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
    color: #CBD5E1;
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background-color: rgba(255,255,255,0.05);
    color: var(--color-white);
    border-radius: 50%;
    transition: var(--transition-fast);
}

.social-icon:hover {
    background-color: var(--environment-green);
    transform: translateY(-3px);
}

.social-icon svg {
    width: 18px;
    height: 18px;
}

.footer-title {
    color: var(--color-white);
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    position: relative;
    padding-bottom: var(--spacing-xs);
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--environment-green);
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: #CBD5E1;
    font-size: 0.95rem;
    transition: var(--transition-fast);
    display: inline-block;
}

.footer-links a:hover {
    color: var(--environment-green-light);
    transform: translateX(4px);
}

.footer-contact-info li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    font-size: 0.95rem;
    color: #CBD5E1;
}

.footer-contact-info .icon {
    width: 18px;
    height: 18px;
    color: var(--environment-green-light);
    flex-shrink: 0;
    margin-top: 3px;
}

.footer-bottom {
    background-color: #090D16;
    padding: var(--spacing-lg) 0;
    border-top: 1px solid rgba(255,255,255,0.05);
    font-size: 0.85rem;
}

.footer-bottom-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    align-items: center;
    text-align: center;
}

.footer-bottom a {
    color: var(--environment-green-light);
}

.footer-bottom a:hover {
    color: var(--color-white);
}

.hosting-badge {
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
}

/* ==========================================================================
   BACK TO TOP TRIGGERS
   ========================================================================== */
.back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: var(--safety-orange);
    color: var(--color-white);
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast), background-color var(--transition-fast);
    z-index: 998;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background-color: var(--safety-orange-dark);
}

.back-to-top svg {
    width: 20px;
    height: 20px;
}